Exposure
ID
GRAVI.2023-08-21T03:44:03.928_1
Header ID
GRAVI.2023-08-21T03:44:03.928
Date updated
2023-08-21 04:00:23 UTC+0000
Release date
2024-08-21 04:00:23 UTC+0000
UTC Start
2023-08-21 03:44:03.928
UTC End
2023-08-21 03:50:03.928
MJD Start
60177.15560102
MJD End
60177.159767686666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00668
Ambient temperature (°C)
13.57
Seeing (arcsec)
0.825
Observation
ID
56679
Category
science
Program ID
111.24JN.001
Program Title
ELUCIDATING THE EVOLUTIONARY CONNECTIONS BETWEEN NITROGEN- AND CARBON-RICH WOLF-RAYET STARS
Program Type
Normal
PI / COI
SANA/ SHENAR/ BODENSTEINER/ BORDIER/ DSILVA/ FROST/ LANGER/ LE BOUQUIN/ MAHY/ MÉRAND/ PATRICK/ REGGIANI/ TRAMPER/ VILLASEÑOR
Target
ID
41996
Name
WR_111
RA
272.116235
DEC
-21.25311
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 75.8540 75.0340 139.8000 141.1000
A0-J2 100.8990 98.9480 111.9000 112.9000
A0-K0 101.6680 99.6430 84.1530 84.6140
G1-J2 49.0510 48.3010 65.5000 65.7000
G1-K0 85.9250 85.4700 37.3780 37.5550
J2-K0 48.5560 48.5680 8.8990 9.5610
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60177.15560102
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_111
HIERARCH ESO INS SOBJ NAME WR_111
RA 272.116235
DEC -21.25311
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 75.854
HIERARCH ESO ISS PBL12 END 75.034
HIERARCH ESO ISS PBLA12 START 139.8
HIERARCH ESO ISS PBLA12 END 141.1
HIERARCH ESO ISS PBL13 START 100.899
HIERARCH ESO ISS PBL13 END 98.948
HIERARCH ESO ISS PBLA13 START 111.9
HIERARCH ESO ISS PBLA13 END 112.9
HIERARCH ESO ISS PBL14 START 101.668
HIERARCH ESO ISS PBL14 END 99.643
HIERARCH ESO ISS PBLA14 START 84.153
HIERARCH ESO ISS PBLA14 END 84.614
HIERARCH ESO ISS PBL23 START 49.051
HIERARCH ESO ISS PBL23 END 48.301
HIERARCH ESO ISS PBLA23 START 65.5
HIERARCH ESO ISS PBLA23 END 65.7
HIERARCH ESO ISS PBL24 START 85.925
HIERARCH ESO ISS PBL24 END 85.47
HIERARCH ESO ISS PBLA24 START 37.378
HIERARCH ESO ISS PBLA24 END 37.555
HIERARCH ESO ISS PBL34 START 48.556
HIERARCH ESO ISS PBL34 END 48.568
HIERARCH ESO ISS PBLA34 START 8.899
HIERARCH ESO ISS PBLA34 END 9.561
HIERARCH ESO ISS AMBI TAU0 START 0.006924
HIERARCH ESO ISS AMBI TAU0 END 0.006436
HIERARCH ESO ISS AMBI TEMP 13.57
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.82